Finding the Fourth Proportional to 30,789.94, 42,467.68 and 23,538.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,789.94 : 42,467.68 = 23,538.42 : x
2. Step 2: Convert to fraction form
   30,789.94/42,467.68 = 23,538.42/x
3. Step 3: Cross multiply
   30,789.94x = 42,467.68 × 23,538.42
4. Step 4: Simplify right side
   30,789.94x = 999,622,029.42
5. Step 5: Solve for x
   x = 999,622,029.42/30,789.94
6. Step 6: Final answer
   x = 32,465.87